Grade 12Mn2A
Corresponding Standard GJB 2150A-2005
Specification for hot-rolled alloy structure steel sheets and plates for avication
Classification Alloy Steel
12Mn2A Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo W
Minimum Value 0.08 0.17 1.2 - - - - - - -
Maximum Value 0.15 0.37 1.6 0.025 0.025 0.3 0.3 0.25 0.13 0.13
12Mn2A Mechanical Properties
thickness
t
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
≤4※ Delivery Condition 390~570 ≥22 -
>4※ Delivery Condition 390~570 ≥23 -
12Mn2A Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!